According to a scenario modelled by researchers in a new paper, India-Pakistan nuclear war could kill 100 million. The authors wrote that although their scenario had Pakistan pulling the trigger first, they did not mean to imply they believed this was more likely. This extreme scenario would involve the use of 100 kiloton weapons, more than six times as powerful as the bombs dropped on Hiroshima.

from Times of India https://timesofindia.indiatimes.com/india/india-pakistan-nuclear-war-could-kill-100-million-report/articleshow/71417820.cms